Aircraft



FIG. 1 is a top, left, front perspective view of an aircraft showing my new design;

FIG. 2 is a left side elevation view of the aircraft of FIG. 1, the right side elevation view being a mirror image of that shown;

FIG. 3 is a top plan view of the aircraft of FIG. 1;

FIG. 4 is a bottom plan view of the aircraft of FIG. 1;

FIG. 5 is a front elevation view of the aircraft of FIG. 1; and,

FIG. 6 is a rear elevation view of the aircraft of FIG. 1. 

The ornamental design for an aircraft, substantially as shown and described. 